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Electrical systems

STC SE3683SW

FAA DRS lists SE3683SW as Current · Reissued, held by RAM Aircraft Limited Partnership, for Teledyne Continental Motors TSIO-520-LB, Teledyne Continental Motors TSIO-520-L, and Teledyne Continental Motors TSIO-520-NB, and 13 more aircraft configurations. Recorded change: Installation of alternator clutch hub Teledyne part no. 640934 with Teledyne part no. 642056 alternator. This mod has been found to be compatible with STC SE4327SW and SE3714SW. Snapshot dated June 30, 2026.

FAA-listed holder
RAM Aircraft Limited Partnership
Aircraft configurations
16
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of alternator clutch hub Teledyne part no. 640934 with Teledyne part no. 642056 alternator. This mod has been found to be compatible with STC SE4327SW and SE3714SW.

SE3683SW identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Teledyne Continental Motors TSIO-520-LB, Teledyne Continental Motors TSIO-520-L, and Teledyne Continental Motors TSIO-520-NB, and 13 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Teledyne Continental Motors TSIO-520-LBE8CETeledyne Continental Motors TSIO-520-LE8CETeledyne Continental Motors TSIO-520-NBE8CETeledyne Continental Motors TSIO-520-EE8CETeledyne Continental Motors TSIO-520-DE8CETeledyne Continental Motors TSIO-520-JE8CETeledyne Continental Motors TSIO-520-NE8CETeledyne Continental Motors TSIO-520-BE8CETeledyne Continental Motors TSIO-520-BBE8CETeledyne Continental Motors TSIO-520-JBE8CETeledyne Continental Motors TSIO-520-WBE8CETeledyne Continental Motors TSIO-520-EBE8CETeledyne Continental Motors TSIO-520-KE8CETeledyne Continental Motors TSIO-520-KBE8CETeledyne Continental Motors TSIO-520-DBE8CETeledyne Continental Motors TSIO-520-VBE8CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Teledyne Continental Motors TSIO-520-LB and Teledyne Continental Motors TSIO-520-L, and 14 more aircraft configurations model, serial range, and configuration?
  2. 02Which load analysis, wiring changes, protection, and limitations apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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